Question: 28. Comparing Regular and Diet Pepsi Refer to Data Set 12 in Appendix B and use the sample data. a. Construct a 95% confidence interval

28. Comparing Regular and Diet Pepsi Refer to Data Set 12 in Appendix B and use the sample data.

a. Construct a 95% confidence interval estimate of the mean weight of cola in cans of regular Pepsi.

b. Construct a 95% confidence interval estimate of the mean weight of cola in cans of Diet Pepsi.

c. Compare the results from parts

(a) and

(b) and interpret them. Does there appear to be a difference? If so, identify a reason for the difference.

7-4 BEYOND THE BASICS

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